Ansible - Radically simple configuration-management, application deployment, task-execution, and multi-node orchestration engine
Unimus - Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills.
Nessus - Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.
Oxidized - configuration backup software (IOS, JunOS) - silly attempt at rancid
Chef - Automation for all of your technology. Overcome the complexity and rapidly ship your infrastructure and apps anywhere with automation.
RANCID - RANCID - Really Awesome New Cisco confIg Differ.